Uhf3 (465-495 Mhz) 25-40 W Receiver Front And Back End (Sht 1 Of 2) - Motorola CM200 Service Manual

4-12
9V
3V
3V
SH301
SHIELD
5V
5V
1
C339 C340
C341
IF300 2.4pF 4.7p 2.4p
RX
1
C1121
DNP
3.3pF
L300 C338 L309
18.08n 10.p
C300 18.08n
SH300
51.p
SHIELD
1

UHF3 (465-495 MHz) 25-40 W Receiver Front and Back End (Sht 1 of 2)

FRONT-END SHIELD
DNP
DNP
9V
Q306
R346
10.K
R300
10.K
R345
10.K
RX_EN Q300
C349 R326
120.p 2.7K
R330
820
0662057A47
C345 C328
C370
43.p
3.9p 24.p
C368
CR301
8.2p C357
C353
C334
36.p
82.p
20.p
DNP
DNP
L310
18.08n
DNP
9R
R334
Q304
430.
LOC_DIST
R310
15.K
C350
120.p
R336 C323
220. 1n
L301
Q301
R331
150.n
100
C351
C326 0.1uF
2113743E20
.022uF
2113743E07
C346 C342 C343 C347 C344 C348
R347
4.3p 4.7p 3.6p 3.6p 3.6p 3.3p
15
0662057A05
Q303
BFS540
C355
L311 C331 L312 C332 L313
39.p
18.08n 10.p 18.08n 10.p 18.08n
DNP
C325
L307
120.p
18.08n
RX_INJ
C366
10pF
UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics
C321
120.p
MIXER SHIELD
L304
150.n
4880142L01
D305
T300
C329 C335 C327
R338
XFMR
330p
36.p 10.p 100.
6 1
2
4 3
C330
C358
C333 10.p
12.p 36.p
DNP
L314
18.08n
U302
T301
XFMR
6 1
C324 2
L308
120.p 18.08n
4 3
C356 C367
R301
15pF 8.2pF
470.
TEST_POINT TEST_POINT
TP4 TP1
L306
560nH
2413926K32
R340
51.
L302 C354
150.n
82p
SH302
SHIELD
1